Can you not store milk in these? Looking for a way to keep my son's soy milk cold without lugging an ice pack.

You can definitely put milk in this thermos, but to keep it ice cold you need a water bottle ice pack (the myColdCup ones on Amazon). These work really well because the ice pack is put *inside* the thermos (rather than a bulky ice pack outside), so it does not need to be nearly so big to have the same cold effect. One ice pack in this 12 oz thermos will keep the milk really ice-cold for more than 8 hrs. He will love it!

is this bottle leakproof?

Yes, is is leakproof. If the top is screwed on correctly (not misthreaded) and the straw is pulled through tight, it will NOT leak. The few times we’ve had it leak is due to user error. Though it will obviously leak (little dribbles) if the top is not closed and the bottle is turned upside down or laid on its side. For reference, we’re probably going to buy this for the third time in two years because it keeps getting lost. It’s leak proof and easy to clean (no mold).

Can this bottle be filled with hot water and keep the water warm for hours?

No. It says that ON THE BOTTLE. It’s not for hot liquids

Can i use it for milk

Yes, this could be used for milk, or any other cod beverage.

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FUNTAINER Water Bottle with Straw - 12 Ounce - Kids Stainless Steel Vacuum Insulated Water Bottle with Lid, Frozen 2

Product ID: 302648842

Details

Brand
THERMOS
Capacity
12 ounces
Color
Frozen 2
Recommended Uses For Product
Water
Special Feature
Cold 12 Hours

🚰Removable, easy-clean straw

❄️12-hour cold retention

🛡️Durable 18/8 stainless steel

$40.21

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Description

❄️ Keep it cool, keep it iconic — hydration just got a Frozen upgrade!

CLEAN IN A SNAP 🧼 - Removable silicone straw and dishwasher-safe design make hygiene hassle-free—because clean gear means happy parents and healthy kids.
STAY CHILL ALL DAY ❄️ - Vacuum insulation technology keeps drinks icy cold for up to 12 hours—because hydration should never compromise style or freshness.
BUILT TO BRAVE THE ROUGH 🛡️ - Premium 18/8 stainless steel construction resists drops and dings, making it the ultimate sidekick for active kids and busy parents alike.
ICONIC TRUSTED SINCE 1904 🔥 - Backed by 120 years of Thermos heritage, this Frozen 2 themed bottle blends timeless reliability with playful, must-have character style.
EFFORTLESS HYDRATION ON THE GO 🚰 - Lightweight design with a push-button flip lid and integrated soft-touch carry handle ensures kids can sip easily and carry comfortably anywhere.

The THERMOS FUNTAINER 12oz Stainless Steel Water Bottle with Straw combines advanced vacuum insulation to keep drinks cold for 12 hours with rugged 18/8 stainless steel durability. Designed for kids, it features a lightweight, compact build with a push-button flip lid and soft-touch carry handle for easy use. The removable silicone straw and dishwasher-safe design simplify cleaning. Licensed with Frozen 2 characters, this bottle offers trusted Thermos quality and style, perfect for school and daily adventures.

Specifications

ASIN	B08Z7467XC
Additional Features	Cold 12 Hours, Double Wall, Removable Straw
Age Range (Description)	Kid
Age Range Description	Kid
Base Diameter	2.7 Inches
Best Sellers Rank	#67 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #7 in Insulated Bottles
Brand	THERMOS
Brand Name	THERMOS
Cap Type	Flip Top Cap
Capacity	12 ounces
Color	Frozen 2
Customer Reviews	4.7 out of 5 stars 37,442 Reviews
Global Trade Identification Number	00041205750123
Included Components	kids water bottle
Is Oven Safe	No
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions W x H	2.7"W x 6.9"H
Item Type Name	insulated-beverage-bottles
Item Weight	8 ounces
Manufacturer	Thermos
Manufacturer Warranty Description	limited 5 year manufacturer
Material Type	Stainless Steel
Model Name	FUNTAINER 12 Ounce Bottle
Number of Items	1
Pattern	Licensed Characters
Product Care Instructions	Top Rack Dishwasher Safe
Recommended Uses For Product	Water
Special Feature	Cold 12 Hours, Double Wall , Removable Straw
Theme	Movie
UPC	041205750123
Unit Count	1.0 Count
With Lid	Yes

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$40.21

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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